南京林业大学学报(自然科学版) ›› 1988, Vol. 12 ›› Issue (04): 89-95.doi: 10.3969/j.jssn.1000-2006.1988.04.014

• 研究论文 • 上一篇    下一篇

南亚松松脂二元树脂酸鉴定及含量测定

马文秀   

  1. 南京林学院林产化学工程系
  • 出版日期:1988-12-18 发布日期:1988-08-18

IDENTIFICATION AND QUANTITATIVE DETERMINATION OF A DIBASIC RESIN ACID IN OLEORESIN OF PINUS MERKUSⅡ FROM CHINA

Ma Wenxiu   

  1. Department of Chemical Processing of Forest Products
  • Online:1988-12-18 Published:1988-08-18

摘要: <正>用简易方法从我国海南岛产南亚松(Pinus mcrikusii De Vriese)树脂中,离析出二元树脂酸纯品。对获得的纯品进行结构鉴定,确认离析的二元树脂酸为南亚松酸(13β-(R)-劳丹8(17)-二元羧酸-15,19)。并用离析的纯品作标准样品,用气相色谱外标法测定南亚松酸在南亚松松脂酸性物中的含量为13%,比用常规的归一化法测定值准确合理。本文还对南亚松松脂酸性物中所含的山达海松酸作进一步验证。

Abstract: The acidic fraction of Oleoresin of Pinus merkusii De Vriese from Hai Nan island in China contains up to 13% of a dibasic resin acid. The dibasic acid has been isolated by column chromatographic method and its structure has been identified, It is 13 β-Labden-8(17)-oic acid-15,19 (i.e. mercusic acid). The isolated dibasic acid has been uscd as external standard sample in GC quantitative anylysis.